Handle KORG nanoKONTROL2 MIDI controller input in Processing 3.

Processing nanoKONTROL2 input handler

import themidibus.*;

MidiBus midi;
String controllerName = "nanoKONTROL2 1 SLIDER/KNOB";
int midiMax = 127; // Max slider/knob value & value when a button is pressed.

// Call this from sketch setup()
void initMidi() {
  MidiBus.list();
  midi = new MidiBus(this, controllerName, -1);
}

void controllerChange(ControlChange change) {
  int number = change.number();
  int value = change.value();

  switch(number) {
    // Control Group 1
    case slider1:
      break;
    case dial1:
      break;
    case R1:
      break;
    case M1:
      break;
    case S1:
      break;
  
    // Control Group 2
    case slider2:
      break;
    case dial2:
      break;
    case R2:
      break;
    case M2:
      break;
    case S2:
      break;
  
    // Control Group 3
    case slider3:
      break;
    case dial3:
      break;
    case R3:
      break;
    case M3:
      break;
    case S3:
      break;
  
    // Control Group 4
    case slider4:
      break;
    case dial4:
      break;
    case R4:
      break;
    case M4:
      break;
    case S4:
      break;
  
    // Control Group 5
    case slider5:
      break;
    case dial5:
      break;
    case R5:
      break;
    case M5:
      break;
    case S5:
      break;
  
    // Control Group 6
    case slider6:
      break;
    case dial6:
      break;
    case R6:
      break;
    case M6:
      break;
    case S6:
      break;
  
    // Control Group 7
    case slider7:
      break;
    case dial7:
      break;
    case R7:
      break;
    case M7:
      break;
    case S7:
      break;
  
    // Control Group 8
    case slider8:
      break;
    case dial8:
      break;
    case R8:
      break;
    case M8:
      break;
    case S8:
      break;
  
    // Left Panel
    case trackPrev:
      break;
    case trackNext:
      break;
    case cycleBtn:
      break;

    case markerSet:
      break;
    case markerBack:
      break;
    case markerForward:
      break;

    case rewindBtn:
      break;
    case fastForwardBtn:
      break;
    case stopBtn:
      break;
    case playBtn:
      break;
    case recordBtn:
      break;
  }
}

/*
 MIDI INPUT CONTROL CHANGE NUMBERS

 Control groups left to right:
 Sliders:  0...7
 Dials:   16...23
 Solo:    32...39
 Mute:    48...55
 Record:  64...71

 Left panel:
 Play: 41
 Stop: 42
 Rewind: 43
 FastForward: 44
 Record: 45
 Cycle: 46
 Track Prev: 58
 Track Next: 59
 Marker Set: 60
 Marker Rewind: 61
 Marker FastForward: 62
*/

// Left panel
final int playBtn = 41;
final int stopBtn = 42;
final int rewindBtn = 43;
final int fastForwardBtn = 44;
final int recordBtn = 45;
final int cycleBtn = 46;
final int trackPrev = 58;
final int trackNext = 59;
final int markerSet = 60;
final int markerBack = 61;
final int markerForward = 62;
// Sliders
final int slider1 = 0;
final int slider2 = 1;
final int slider3 = 2;
final int slider4 = 3;
final int slider5 = 4;
final int slider6 = 5;
final int slider7 = 6;
final int slider8 = 7;
// Dials
final int dial1 = 16;
final int dial2 = 17;
final int dial3 = 18;
final int dial4 = 19;
final int dial5 = 20;
final int dial6 = 21;
final int dial7 = 22;
final int dial8 = 23;
// Record buttons
final int R1 = 64;
final int R2 = 65;
final int R3 = 66;
final int R4 = 67;
final int R5 = 68;
final int R6 = 69;
final int R7 = 70;
final int R8 = 71;
// Mute buttons
final int M1 = 48;
final int M2 = 49;
final int M3 = 50;
final int M4 = 51;
final int M5 = 52;
final int M6 = 53;
final int M7 = 54;
final int M8 = 55;
// Solo buttons
final int S1 = 32;
final int S2 = 33;
final int S3 = 34;
final int S4 = 35;
final int S5 = 36;
final int S6 = 37;
final int S7 = 38;
final int S8 = 39;